An anonymous contemporary artist, Chemical X, has used 4111 pills of what appears to be the illegal party drug ecstasy to create this work of art, entitled Rush.

The piece has been valued at £50 000 (€57 000; $67 000), but the artist is offering it as a prize in a raffle, with the proceeds from the £2 tickets being donated to the Loop, an organisation that offers testing of illegal drugs with the aim of reducing harm. [Read more - paywall]